true
true
You must read each slide, and complete any questions on the slide, in sequence.
Exercise E1–1
Verb forms and tenses
Edit the following sentences to correct errors in verb forms and verb tenses. If a sentence is correct, write “correct” after it.
Click Submit after each question to see feedback and to record your answer. After you have finished every question, your answers will be submitted to your instructor's gradebook. You may review your answers by returning to the exercise at any time. (An exercise reports to the gradebook only if your instructor has assigned it.) Example:
1. When she got home, Mina realize that she had forgotten to buy staples while she was out.
When she got home, Mina realized that she had forgotten to buy staples while she was out.
2. Martin Luther King Jr., the famous orator and civil rights activist, deliver his famous “I Have a Dream” speech on August 28, 1963.
Martin Luther King Jr., the famouns orator and civil rights activist, delivered his famous "I Have a Dream" speech on August 28, 1963.
3. David was playing soccer for the last fifteen years.
David has been playing soccer for the last fifteen years.
4. Mangoes, which originally grew only in Asia, now grew in the Eastern and Western Hemispheres.
Mangoes, which originally grew only in Asia, now grow in the Eastern and Western Hemispheres.
5. Anders has already read To Kill a Mockingbird three times.
Correct
6. Alexander Fleming discovered penicillin while he was worked at a hospital in London.
Alexander Fleming discovered penicillin while he was working at a hospital in London.
7. Moving to a new country often cause people to change their lifestyles.
Moving to a new country often causes people to change their lifestyles.
8. Although anthropologists do not know exactly when the first calendar was invented, they have evidence that solar calendars are existing for at least six thousand years.
Although anthropologists do not know exactly when the first calendar was invented, they have evidence that solar calendars have existed for at least six thousand years.
9. When they moved here, my husband and his brother open a small restaurant.
When they moved her, my husband and his brother opened a small restaurant.
10. Professors in the United States often requiring their students to work in groups.
Professors in the United States often require their students to work in groups.